Side effects of generic Accuneb may include aggression, agitation, allergic reaction, anxiety, back pain, chest pain or discomfort, chills and fever, coordination problems, cough, decreased appetite, depression, difficulty speaking, diabetes, diarrhea, dizziness, drowsiness, dry mouth and throat, excitement, fluid retention and swelling, flushing, general bodily discomfort, headache, heart palpitations, heartburn, hives, increased appetite, increased blood pressure, increased difficulty breathing, indigestion, irritability, labored breathing, leg cramps, light-headedness, muscle cramps, muscle spasm, nasal inflammation, nausea, nervousness, nightmares, nosebleed, overactivity, rapid heartbeat, rash, respiratory infection or disorder, restlessness, ringing in the ears, shakiness, sleeplessness, slowed movement, stomachache, stuffy nose, sweating, swelling of mouth and throat, taste sensation on inhalation, throat irritation, tooth discoloration, tremors, unusual taste, urinary problems, vomiting, weakness, wheezing.